Download GTU BE/B.Tech 2019 Summer 6th Sem Old 160903 Microcontroller Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem Old 160903 Microcontroller Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(OLD) ? EXAMINATION ? SUMMER 2019
Subject Code:160903 Date:10/05/2019
Subject Name: Microcontroller
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Distinguish between Microcontroller and Microprocessor. Also discuss various
applications of different Microcontrollers.
07
(b) With suitable block diagram, explain the architecture of 8051 microcontroller. 07

Q.2 (a) List out and explain purpose of various special function registers of 8051. 07
(b) Draw internal structure of port 3 of 8051 microcontroller. Also discuss about
alternate pin functions of each pin of 8051.
07
OR
(b) Draw and explain internal RAM structure of 8051. 07

Q.3 (a) What is the advantage of bit wise programming in 8051? Explain with suitable
instructions.
07
(b) List out and explain various types of addressing modes available in 8051
microcontroller.
07
OR
Q.3 (a) Explain the advantages of Integrated Development Environment software in
Program development.
07
(b) Differentiate between following instruction of 8051.
(1) SWAP and XCHG (2) MOVX and MOVC
07

Q.4 (a) Write an assembly language program to count number of positive numbers in an
array of ten numbers stored between external memory locations 2000H to 2009H.
07
(b) Explain various conditional jump instruction of 8051. 07
OR
Q.4 (a) Explain various data types used in C Programming of 8051. 07
(b) Write c language program to toggle all bits of port0 continuously with a delay of
1 sec using timer 0 in mode1. Assume 12MHz crystal frequency.
07

Q.5 (a) Distinguish between Mode 1 and Mode 2 of 8051. Draw TCON and TMOD
register configuration.
07
(b) Explain interfacing of multiple seven segment display with 8051. 07
OR

Q.5 (a) Draw and explain with block schematic diagram interfacing of unipolar stepper
motor with 8051.
07
(b) Explain I2C, SPI serial communication protocols of advanced microcontrollers. 07





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